PROVISION OF EXTERNAL ELECTRIC SUPPLY TO PARALLEL TAXI TRACK AT INS DEGA, VISAKHAPATNAM

Amount

Supply, Installation, Testing & Commissioning of OEM Factory Manufactured, Floor Mounted, Indoor Type, Cable-In, Cable-Out, HT 33KV Air Insulated VCB Panel Switchboard consisting of 800 Amps, 25 KA, VCB 33 KV – 1 Nos, VCB Panel shall be Indoor Type totally enclosed, Free Standing Floor Mounting Type, compartment based with Truck Mounted Vacuum Circuit Breaker, Spring Operated, Electrically and Manually charged Operating Mechanism suitable for Horizontal Isolation, Horizontal draw out type VCBs with Aluminium Busbars, Self supported Insulated Busbar with full voltage rated, Complete VCB Panel conforming to IEC 62271-200 Standards and IP 4X Class of Protection comprising necessary bus-bars extension and connections and following Protective and Control Devices as specified below. Vacuum Interrupters of the circuit breakers shall be completely encapsulated in epoxy housing. Circuit Breaker, Vacuum Interrupter and Relay shall be of the same manufacturer. The Switchgear and Control Gear Panels shall be of the fully Arc Proof complete all as specified and as directed.Make: ABB / CG / Schneider / Siemens. 33 kV Indoor Switchgear Panel consisting of Breaker of capacity 800 Amps, 25 kA Draw out type and shall have the following accessories: [a] 230 Volts AC Spring Charge Motor [b] 110 Volts DC Closing Coil [c] 110 Volts DC Shunt Trip Coil [d] Current Transformer, Indoor Resin Cast Ratio: 100-50/5-5A Core – 1: 15VA Class 0.5, Core – 2 15 VA 5P10 Core -3. [e] Potential Transformer Resin Cast Ratio: 33KV/√3/110V/√3 50VA, CLASS: 0.5 – 3 Nos [f] 12 Window Annunciator [g] Digital Ammeter with ASS

[h] Digital Voltmeter with VSS [i] Multifunction Power Meter Class 0.5 with RS485 & Ethernet Communication [j] Master Trip Relay [k] Numerical Relay Differential Protection [87T] - 01 No. [l] Numerical protection IEC 61850 Draw out Relay with graphical display- 1 No. with three phase O/C & E/F (50,51, 50N, 51N, 50G, 51G), three phase Directional O/C & E/F (67/67N), Negative phase sequence O/C (46), Inrush Detection (68), Circuit Breaker Failure Protection (50BF), Broken Conductor (46BC), Three phase O/V, U/V & NDR (27, 59, 59N), thermal overload (49), Negative sequence over voltage (47), reverse power (32), Over frequency (81O), under frequency (81U), CT Supervision (60CTS), VT Fuse Failure (60 VTS), Auto recloser (79), relay shall have 8DI and 8 DO. [m] Power pack 100W with battery back up. Makes: ABB/CG/Schneider/Siemens.

Supply, Installation, testing & commissioning of Floor mounted, Outdoor Type OEM Factory Manufactured, Extendable HT 33 KV VCB Panel Switchboard consisting of 800 Amps, 25 KA, VCB 33 kV – 1 Nos as Incomer and 800 Amps VCB 33 kV – 2 Nos as Outgoing, VCB Panel shall be Outdoor Type totally enclosed, Free Standing Floor Mounting Type, compartment based with Truck Mounted Vacuum Circuit Breaker, Spring Operated, Electrically and Manually charged Operating Mechanism suitable for Horizontal Isolation, Horizontal draw out type VCBs with Aluminium Busbars, Self supported Insulated Busbar with full voltage rated, Complete VCB Panel conforming to IEC 62271-200 Standards and IP 4X Class of Protection comprising necessary Busbars extension and connections and following Protective and Control Devices as specified below. Vacuum Interrupters of the circuit breakers shall be completely encapsulated in epoxy housing. Circuit Breaker, Vacuum Interrupter and Relay shall be of the same manufacturer. The Switchgear and Control Gear Panels shall be complete all as specified and as directed. Make: ABB / CG / Schneider / Siemens.

[A] Incomer – 1 No., Each consisting of 33 kV Indoor Switchgear Panel consisting of Breaker – 800 Amps, 25 kA draw out type having following accessories: [i] 230 Volts, AC Spring Charge Motor [ii] 110 Volts, DC Closing Coil [iii] 110 Volts, DC Shunt Trip Coil [iv] Current Transformer Outdoor Single Phase Resin Cast Ratio: 100-50/5-5A Core-1: 0.5, 15VA for Metering, Core-2: 5P10 [v] Potential Transformer Resin cast Ratio: 33KV/√3/110V/√3 25VA, CLASS: 0.5– 3 Nos. [vi] Digital Ammeter with ASS [vii] Digital Voltmeter with VSS [viii] Multifunction Load Manager Class 0.5 with RS 485 & Ethernet Communication [ix] Master Trip Relay [x] Numerical protection IEC 61850 draw out relay with Graphical display-1 no with three phase O/C & E/F (50, 51, 50N, 51N, 50G, 51G). Three phase directional O/C & E/F (67/67N), Negative phase sequence O/C (46) Inrush Detection (68), Circuit Breaker failure protection (50BF), Broken conductor (46BC), three phase O/V, U/V & NDR (27, 59, 59N), Thermal overload (49), Negative sequence over voltage (47), reverse power (32), over frequency (81O), under frequency (81U), CT supervision (60TS), VT Fuse failure (60 VTS), Auto recloser (79). Relay shall have 8 DI and 8 DO. [xi] Power pack 100W with battery Back up. Makes: ABB/ CG/Schneider/Siemens.

[B] Outgoing – 2 Nos., Each consisting of 33 kV Outdoor Switchgear Panel consisting of Breaker – 800 Amps, 25 kA draw out type having following accessories for Transformer Outgoing: [i] 230 Volts, AC Spring Charge Motor [ii] 110 Volts, DC Closing Coil [iii] 110 Volts, DC Shunt Trip Coil [iv] Current Transformer Outdoor Resin Cast Ratio: 100-50/5-5A Core-1: 15VA Class 1: 0.5, Core-2 15 VA 5P10. [v] Potential Transformer Resin cast Ratio: 33KV/√3/110V/√3 50VA, CLASS: 0.5 – 3 Nos [vi] Digital Ammeter with ASS [vii] Digital Voltmeter with VSS [viii] Multifunction Load Manager Class 0.5 with RS485 & Ethernet Communication [ix] Master Trip Relay [x] Numerical protection IEC 61850 draw out relay with Graphical display-1 no with three phase O/C & E/F (50, 51, 50N, 51N, 50G, 51G). Three phase directional O/C & E/F (67/67N), Negative phase sequence O/C (46) Inrush Detection (68), Circuit Breaker failure protection (50BF), Broken conductor (46BC), three phase O/V, U/V & NDR (27, 59, 59N), Thermal overload (49), Negative sequence over voltage (47), reverse power (32), over frequency (81O), under frequency (81U), CT supervision (60TS), VT Fuse failure (60 VTS), Auto recloser (79). Relay shall have 8 DI and 8 DO. [xi] Auxiliary relay for transformer protection. Makes: ABB/ CG/Schneider/Siemens.

[xii] Suitable Space Heater Arrangement to prevent moisture condensation. [xiii] Regulated 230 Volts AC supply shall be arranged from an external source for miscellaneous requirements like Space Heater, CFL Illumination etc. shall be provided at a single location inside the Panel by the contractor. [xiv] Construction of Plinth for 33 kV VCB: 3.50m X 2.50m X 0.60m size Pit shall be excavated, 150mm thick sand shall be filled and there after PCC 1:4:8, Type D-2 using 40mm graded aggregate of 150mm thick shall be laid, construction of plinth as per drawing i.e. 2 Supports in RR Masonry and plastering all around in Cement Mortar 1:6 of 15mm thick and White washing three coats including cost and transport of all material and labour charges for all operation incidental charges etc., completes all as directed.

Supply, Installation, testing & commissioning of 2500 kVA, 33/11 KV, Delta/Star, Vector Group, DYN11, ONAN Outdoor Platform Mounting type Copper Wound Transformer with On Load Tap Changers having AVS Relay & RTCC for Automatic Sensing of Incoming Voltage, Automatic Operation of OLTC & facility for Remote Manual Operation of OLTC, suitable for Incoming Voltage Variation of 5% to [–] 15% in Equal Steps of 1.25% to give a constant Secondary Voltage. The transformer shall be provided with fitting accessories, protection, First Filling of Oil & confirming to IS – 2026 [Part – 1 to 5] etc. Buchholz Relay, Oil / Winding Temperature Alarm / Trip Protection complete as per specifications as required. The transformer Oil-Natural Oil Cooled and shall have Dielectric Strength of 60 KV. No Load Loss - 3.5 KW and Load Loss - 27 KW. The transformer shall be provided with arrangement to terminate up to 3 Core 240 Sq.mm XLPE Cable on Primary and Secondary side including supplying and laying of Copper Conductor Multicore Control Cable from Transformer to Breaker for Safety Tripping, Suitably mounted on MS Channel, Incoming supply and grouting of MS Channel with all accessories as required as directed. Temperature rise for top oil shall not exceed 50ºC above ambient and winding temperature rise shall not exceed 55ºC over ambient. The transformer shall be provided with 3 Nos. Surge Protector on HT side and Cooling shall be ONAN type. Make: ABB / CG / Schneider / Siemens.

Fittings and Accessories: [a] Rating Plate, Roller, Plain Oil Gauge and Conservator [b] Drain Valve, Filter Valve, Sampling Valve with Plug & Earthing Terminals [c] Inspecting Cover, Thermometer Pocket & Fitting Lugs [d] Silica Gel Breather [e] Pressed Steel Radiators with Shut-Off Valve [f] PRV or Explosion Vent, OTI & WTI with Alarm Trip [g] PT for Input & Output Voltage Measurement and Relay Sensing [h] Remote Metering Panel & Marshalling Box [j] Double Float Buchholz Relay with and Trip Contacts [k] Magnetic Oil Level Gauge with Alarm Trip Contacts only [l] 33 / 11 KV Cable Boxes at Incoming / Outgoing [m] Pressure Release Valve [n] On Load Tap Changer Switch [o] Air Release Plug [p] Detachable Cooling Radiators fitted with Shut-Off Valve [q] NCT of Appropriate Rating Note: The contractor shall submit Manufacturer's Test Certificate for Short Circuit for Transformer and in case Manufacturer's Test cerrtificate is not available the contractor shall conduct the test and submit satisfactory test certificate without any extra cost to the Department.

Supply, Installation, testing & commissioning of Factory Made 11 kV, 630 Amps, 25 kA for 3 Seconds, SF6 Insulated, Motorised, Outdoor 4 Way RMU Consisting of 2 Nos load Break Switches as Incoming and 2 Nos. of VCBs as Outgoing complete all specified and as directed and shall comprise of the following: Make: ABB / Schneider / Siemens . The make of vacuum interrupter, FRTU offered is the same make as the Ring Main unit.

[A] RMU shall be 11 KV, 630 Amps, 25 kA for 3 Seconds, SF6 Insulated, Motorized, Outdoor, 4 Way RMU, Right side Extensible with Air Insulated Bus Connected Metering unit, Type tested in line with latest IEC Standards, suitable for operations at a height up to 1000 Meters above sea level and at 40ºC Ambient Temperature without any de-rating, Switchgear and Busbar shall all be contained in a Stainless Steel Enclosure [Minimum 3.15mm thick AISI 441 Grade] filled with SF6 at 0.3 Bar [300 hPa] Relative Pressure, RMU Tank shall provide Full Insulation and Switchgear shall be insensitive to the environment with Degree of Protection of IP67, Switchgear Operating Mechanism shall have an IP2X Protection and Cable Chamber shall have IP3X Protection, Outer Enclosure shall be IP 54 type tested, Powder Coated with Pure Polyester Based Paint, suitable for the site installation conditions, Accidental Overpressure due to an Internal Arc is limited by the opening of the safety valve, at the bottom of the metal enclosure, away from the operator, Plug in type of extensibility must be provided and coupling busbar should not be exposed to air to avoid oxidation of busbars. Extension of cubicle shall require 450mm to handle and the gap between the coupled RMU’s must be within 10mm.

[B] Load Break switch [LBS] Each shall be comprising of the following: [i] 11 KV, 630 Amps, 25 kA/ 3s 3 Pole Manual Load Break Switch – 1 No. [ii] MFM – 1 No [iii] Conter - 01 No. [iv] FPI with current sensor (CBCT) for earth fault-01 No.

[C] Vacuum Circuit Breaker [VCB] Each shall be comprising of the following: [i] 11 KV, 630 Amps, 25 kA/ 3s, 3 Pole Manual/ Motorised VCB with 3 pole manual disconnector and 3 pole manual earth switch, manual/ motorized Spring Assisted Mechanism and Series Trip Coil – 1 No. [ii] Self Powered Relay with O/C, S/C, E/F Protection. Relay shall have a Front USB for Laptop Interface, LCD Display, 10 Event Records, 5 Fault Records, min 2 setting group and keypad for setting parameters for the relay – 1 No [iii] CT Ratio 200-100/1-1A for Incoming and CT Ratio 100-50/1-1A, for Outgoing, Class - 1.0, 2.5VA for Metering and Class 10P10, 2.5 VA for Protection – 1 Set [iv] Live Cable Indicator with indications at the Front and Three Inlets to check the Synchronization of Phases – 1 No [v] Cable Termination Bushing suitable for up to 1 Run, 3 Core, 185 Sq.mm, XLPE Cable – 1 Set [vi] Cable Termination Cover Boots [Push on type] – 1 Set [vii] Circuit Breakers shall have Two Positions: Open or Disconnected and Closed. A separate and independent 3 Position Earthing Switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorised operations. An operating mechanism shall be used to manually close the circuit breaker and charge the mechanism in a single movement. An independent mechanism shall be fitted for the 3 Positions Earthing Switch and Disconnector Circuit breaker shall be fitted with a local system for manual tripping by an Integrated Push Button. There shall be no automatic reclosing. Circuit Breaker shall have a min of 2000 Mechanical and Electrical Operations and 50 Nos Short Circuit Operations, Disconnector and Earth Switch shall have a minimum of 1000 [M1] Mechanical Operations , 100 Electrical Operations at rated current and 5 Nos Operations at Rated Short Circuit Current.

Note: [a] An operator situated in front, lateral and rear [A-FLR 25 kA – 1 Sec, Downwards Exhaust, for Tank as well as Cable Compartment] of the RMU Switch board during an internal fault shall not be exposed to the effects of Arcing. Internal Arc Type Test Report for IAC AFLR 25 kA for 1 Sec for both Tank & Cable Box shall be for minimum 3 Way / 3 Function RMU. [b] All operations shall be from front of the RMU, including access to cable bushings. Bushings along the sides or the rear of the RMU are not acceptable. [c] Construction of Plinth / Foundation for 11KV RMU: The rate quoted is deemed to be including the cost of Plinth / Foundation and shall be paid extra on this account. The foundation shall consists of Two Parallel Brick Walls built using Fly Ash bricks straight or curved on plan to any radius built in Cement Mortar 1:6 of length 2.10m, suitable thickness and height as per the manufacturer’s instructions over PCC Concrete Bed of 150mm thick in PCC 1:4:8, Type D-2, using 40mm graded stone aggregate over 150mm thick Hardcore of gauge not exceeding 63mm of broken stones or boulders, deposited, spread and levelled in layers not exceeding 15 cm thick watered and rolled, over 150mm thick Sand Bed, rendering to brick surfaces, 15 mm thick in Cement Mortar 1:4, and finishing the top surface even and smooth without using extra cement, applying Three coats of white washing including earthwork excavation of pit size 2.10 X 1.20 X 0.60 Metres complete all as per manufacturer’s recommendations, drawings, as specified and as directed. [d] The rate quoted is also deemed to be including the cost of disconnection of HT Cables up to 3 Core, 240 Sq.mm from existing 2 Pole / 4 Pole Structures, removing of cable loop and reconnection to RMU complete all as specified and as directed by the Engineer-in-Charge. [f] End termination joints shall be measured and paid separately.

Supply, Installation, Testing & Commissioning of Battery Bank consisting of 110V, 55 Nos of 2 Volt 100AH VRLA Battery along with Terminal Connectors, Wooden Rack including all other accessories as per Technical Specification and Manufacturer instructions complete all as specified and as directed. Make: Amaron / Exide

Supply, Installation, Testing & Commissioning of 110V / 100AH, 25A FCBC Thyristor based, with in-built DCDB and RS485 Communication, Three Phase, 4 Wire, Full Wave, Full Controlled, Thyristor based Charger with VRLA Battery complete all as specified and as directed. Make: Amaron / Exide

Supplying, laying and testing 33 kV Grade, Earthed System, [Heavy Duty], UG Cable, with Aluminium Conductor of size 3 Core, 120 Sq.mm, suitable for earthed system having compacted circular stranded aluminium conductor shielded with semi-conducting compound extruded layer XLPE Insulated dry cured core shielded with semi-conducting compound extruded layer followed by metallic copper foil, screened inner sheath of extruded PVC, galvanized single flat steel strip armoured and PVC sheathed overall conforming to IS – 7098 [Part – II] and manufactured using VCV manufacturing process, laid in trenches, fixed to walls or passing through pipes and connecting up complete all as specified and as directed.

Supplying, laying and testing HT UG Cable, XLPE insulated, screened insulated, steel strip armoured and pressure extruded PVC bedded, 11000 Volts grade [heavy duty] suitable for Earthed System with aluminium conductor of size 3 Core, 185 Sq.mm conforming to IS – 7098 [Part – II] laid in trenches, fixed to walls or passing through pipes and connecting up complete all as specified and as directed.

M & L for Cable End Termination Joint, Heat Shrinkable type, Indoor type, suitable for 33 kV Grade, 3 Core, 120 Sq.mm, HT, XLPE Insulated, Armoured Power Cable with Aluminium Conductor and testing after jointing complete all as specified and as directed.

M & L for Cable End Termination Joint, Heat Shrinkable type, Outdoor type, suitable for 33 kV Grade, 3 Core, 120 Sq.mm, HT, XLPE Insulated, Armoured Power Cable with Aluminium Conductor and testing after jointing complete all as specified and as directed.

M & L for Straight Through Joint, Heat Shrinkable type, suitable for 33 kV Grade, 3 Core 120 Sq.mm, HT, XLPE Insulated, Armoured Power Cable Aluminium Conductor and testing after jointing complete all as specified and as directed.

M & L for Straight Through Joint, Heat Shrinkable type, suitable for 11000 Volts Grade, 3 Core, 185 Sq.mm, HT, XLPE Insulated, Armoured Power Cable Aluminium Conductor and testing after jointing complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, FRLS, GI Strip / Wire armoured heavy duty cable, ISI marked with Multistranded Copper Conductor 1100 Volt grade of size 4 Core, 2.5 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, FRLS, GI Strip / Wire armoured heavy duty cable, ISI marked with Multistranded Copper Conductor 1100 Volt grade of size 5 Core, 4 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, FRLS, GI Strip / Wire armoured heavy duty cable, ISI marked with Multistranded Copper Conductor 1100 Volt grade of size 14 Core, 2.5 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, FRLS, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 4 Core, 10 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. complete all as specified and as directed.

S & F Insulating Mat suitable for 33 kV Grade, Class A, 3mm thick of size 2000 mm x 1000 mm as per IS – 15652 complete all as specified and as directed.

S & F Insulating Mat suitable for 11 kV Grade, Class A, 3mm thick of size 1000 mm x 1000 mm as per IS – 15652 complete all as specified and as directed.

S & F Energy efficient LED Flood Light fitting, of not less than 9000 Lumens output, 6500 K, with Pressure Die Cast Aluminium Housing, IP 66 Protection and Surge Protection device of 10 KV, Heat resistant Toughened Glass Cover, high power LEDs as light source, electronic driver and connecting up with three core PVC insulated, sheathed flexible copper conductor cable of size 1.5 Sq.mm complete all as specified and as directed. Note: Light fitting shall be of PF>0.95

Supply, Erection, Testing and Commissioning of Hot Dip Galvanised Tapered Octagonal Pole of Height 7.50m and dimensions of 130 mm [Across the Face] at Bottom and 70 mm [Across the Face] at Top, made of 3mm thick BSEN-10025-S355JO Grade Steel Plate for Shaft, Base Plate of size 225mm X 225 mm X 16 mm thick with 4 Nos 20mm Φ Holes with Pitch Circle Diameter of 200mm, Fixed with 4 Nos of M20X600mm long J Bolts of EN8 Grade with 3 Nuts and One Washer including 1.50m Long Sword type Decorative Double Arm Brackets made up of 40mm dia Medium Grade GI Tube conforming to IS – 1239 suitable for fixing LED Street Light Fittings and including Built-in Connecter Control Box with Locking Arrangement with IP 66 Protection and including MCB, SP, 6 to 32 Amps, 10 KA, B Curve, AC, 230 Volts, 50 Hz [1 Nos], 50 Amps rated Heavy Duty Four Way Connector [1 Nos] Neutral Link mounted, DIN Rail of suitable size for mounting MCB / Connector etc. and 3 Core, 1.5 Sq.mm Flexible Copper connecting Cable from Control Box to Light Fittings [Incomer and Outgoing etc.] including all accessories as per IS and suitable to withstand wind velocity of 180 KMPH complete all as specified and including the following works all as directed. Note: Rate quoted for respective items is deemed to be including the cost of the following: [a] Single Arm Decorative Bracket shall be provided as specified above. [b] Erection and commissioning of the Octagonal Pole shall be carried out with the help of suitable T & P. Foundation Bolts shall be fixed using suitable Anchor Plates & Templates etc. [c] Steel Pole shall be erected on RCC Foundation as specified hereunder: [i] Size of the RCC Foundation: 450 X 450 X 1500mm, Out of which 200mm shall be provided above ground level. [ii] Grade of Concrete: M20 Design Mix using 20mm graded stone aggregate

[iii] Main Reinforcement: 4 Nos, Φ12mm, High Strength Corrosion Resistant Deformed TMT Bars of Grade Fe–500D [iv] Stirrups: Φ8mm @ 190 Centre to Centre, High Strength Corrosion Resistant Deformed TMT Bars of Grade Fe–500D [v] 2 Nos of PVC Conduit of Heavy Grade of 63mm dia shall be provided for passing cables etc. [vi] RCC foundation shall be provided over 100mm thick PCC 1:4:8, Type D-2, using 40mm graded stone aggregate complete as per manufacturer's instructions including necessary use and removal of steel form work, earthwork excavation, return filling, removal surplus soil etc. complete all as directed.

S & F HT Danger Notice Plate of 250 mm X 200 mm, made of mild steel, at least 2 mm thick, and vitreous enamelled white on both sides, and with inscription in signal red colour on front side as required and fixed with M.S. clamps, bolts and nuts of approved size complete all as specified and as directed.

Supplying and laying GI Tubing of 50 mm bore, medium grade conforming to IS - 1239 [Part - 1] including all fittings such as bends, tees, short pieces, connectors, elbows, reducers, union, sockets etc. fixed to walls, ceiling or laid on floors or laid in trenches including testing complete all as specified and as directed. Note: Earth work and excavation will be measured and paid separately.

M & L for Earthing complete with Copper Earth Plate Electrode 600 X 600 X 3.15 mm thick burried directly in ground [earth pit not less than 2.25 m deep below ground level] with top edge of Plate not less than 1.50 m below normal ground level connected to Copper Strip of size 25 X 3mm [Earth Lead] and GI pipe 40 mm, Medium Grade for earthing lead protection to the extent of maximum 7.5m, Earth Plate Electrode surrounded by 150mm thick packed layers of Charcoal and Common Salt filled in alternate layers, connected to the Plate by means of GI Bolts & Nuts complete all as per Electrical Plate No. 3 of SSR Part – I, connected to panel / DB including testing on completion including main earthing, Charcoal, Common Salt, PCC [1:2:4, Type B1] Pit with RCC 1:2:4, Type B1 Cover, 50 mm thick with 6 Nos, 8 mm dia TMT bars in both ways, MS frame made with 40 X 40 X 6 mm Angle Iron, MS Funnel with 20 mm bore, medium grade GI Watering pipe, wire mesh, earth work excavation, return filling, removal of surplus soil etc. complete all as specified and as directed.

M & L for Earthing complete with Galvanised Steel Earth Plate Electrode 600 X 600 X 6 mm thick burried directly in ground [earth pit not less than 2.25 m deep below ground level] with top edge of Plate not less than 1.50 m below normal ground level connected to 32 X 6mm GI Strip [Earth Lead] and GI pipe 50 mm, Medium Grade for earthing lead protection to the extent of maximum 7.5m, Earth Plate Electrode surrounded by 150mm thick packed layers of Charcoal and Common Salt filled in alternate layers, connected to the Plate by means of GI Bolts & Nuts complete all as per Electrical Plate No. 3 of SSR Part – I, connected to panel / DB including testing on completion including main earthing, Charcoal, Common Salt, PCC [1:2:4, Type B1] Pit with RCC 1:2:4, Type B1 Cover, 50 mm thick with 6 Nos, 8 mm dia TMT bars in both ways, MS frame made with 40 X 40 X 6 mm Angle Iron, MS Funnel with 20 mm bore, medium grade GI Watering pipe, wire mesh, earth work excavation, return filling, removal of surplus soil etc. and disconnecting and taking down existing Earthing of any description complete all as specified and as directed.

S & F Earth continuity Conductor or main earthing lead made of Copper Strip of size 32 X 6mm, fixed to wall on batten or recess or chases or burried in ground or fixed to poles or any other indicated situation including drawing through GI Pipe for earthing etc. complete all as specified and as directed.

S & F Earth continuity Conductor or main earthing lead made of GI Strip of size 32 X 6mm, fixed to wall on batten or recess or chases or burried in ground or fixed to poles or any other indicated situation including drawing through GI Pipe for earthing etc. complete all as specified and as directed.

M & L for Dry River Sand cushioning over and around the cable for cable protection in trenches, levelled and punned down complete all as specified and as directed. Note: The punned down thickness shall be measured for payment.

Supply and lay Bricks, Common Burnt, Clay Building Bricks, Sub–Class "B", Designation 75 in trenches for cable protection complete all as specified and as directed.

Supplying and laying un–reinforced Precast Concrete Cable Cover, Class HV, Type 1 Type 2, Flat, of size 300mm x 180mm x 40mm 450mm x 180mm x 40mm complete all as specified and as directed.

M & L for Precast RCC Cable Route Indicator duly engraved with letters "HT/LT UG CABLE", of size 600 X 450mm, 100 mm thick with Semi Circular Shaped Top made of RCC 1:2:4, using 20 mm graded stone aggregate, duly Reinforced with High Strength Corrosion Resistant Deformed TMT Bars of Grade Fe–500D of 10 dia, duly grouted up to 550mm using PCC, 1:3:6, Type C1 complete including necessary excavation and earth work and applying Two coats of Weather Proof Exterior Emulsion Paint [100% Acrylic] over a Coat of Weather Proof Exterior Primer of same manufacturer as that of paint on all the exposed concrete surfaces complete all as specified and as directed.

M & L Boring of holes under road, pavement, hard standing by trenchless technology using ultra sound technique and necessary machinery including HDPE Pipe, 150mm bore, 0.4 Mpa working pressure complete all specified and as directed. Note: The horizontal directional drilling machine boring shall be minimum shot length of 100m horizontal length in a single span and depth shall not be less than 1.20m. The unit rate quoted is deemed to be inclusive for earth work as required at site for boring at starting and termination ends complete all as directed.

S & F Air Break Switch, Gang Operated, Outdoor type, mechanically operated, mounted on 9 Nos Insulators and Steel Frame, with operating mechanism working from ground level complete with locking arrangements including pad locks with key of Make Godrej / Harrison, for current rating 1250 Amps, 33 kV and insulators suitable for 33 kV Grade, 50 Hz including GI Pipe, Medium Grade and all other materials complete all as specified and as directed.

S & F Lightning Arresters, 33 KV, Expulsion type complete with all fittings, 10 kilo Amps discharge capacity, Station Class complete all as specified and as directed.

S & F Over Head Lightening Arrester including all accessories for 33 kV Transformer Yard having 4 Nos of 12.00 m height steel structure by using ISA 50X50X6mm, ISA 45X45X6 mm & ISA 40X40X6 mm complete all as specified and as directed. Note: Cost of Steel Iron, Earth work and excavation will be measured and paid separately.

M & L for Cross Arms, Bracings, Supports, Clamps and back plates fabricated from structural steel sections including nuts, bolts washers, welding bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and including applying two coat of aluminium paint over a coat of red oxide primer after preparation of new steel surfaces complete all specified and as directed.

Supply & Installation of Cable Sealing System made of Super Resistant Roxylon – Halogen free EPDM Modules, consisting of Transit Frames, for 33Kv/11Kv Cables in VCB Panels suitable for Cables of size 3 Core, 95 to 240 Sq.mm with Bonding & Grounding [Armor Earthing] feature as per IS – 3043 using suitable Tin Plated Copper Braid complete all as specified and as directed. Make: Roxtec / Hilti / Hawke / Agro.

S & F in repairs the existing Current Transformer, Indoor type, Single Phase Resin Cast Ratio: 200-100/5-5A Core-1: 15 VA Class 0.5, Core – 2 15 VA 5P10, Core – 3: Class PS – 3 Nos of 11 kV VCB complete all as specified and as directed.

Supply & fix in repairs the existing relay of 11KV VCB panels with Numerical protection IEC 61850 draw out relay (Numerical protection IEC 61850 draw out relay with with Graphical display-1 no with three phase O/C & E/F (50, 51, 50N, 51N, 50G, 51G). Three phase directional O/C & E/F (67/67N), Negative phase sequence O/C (46) Inrush Detection (68), Circuit Breaker failure protection (50BF), Broken conductor (46BC), three phase O/V, U/V & NDR (27, 59, 59N), Thermal overload (49), Negative sequence over voltage (47), reverse power (32), over frequency (81O), under frequency (81U), CT supervision (60TS), VT Fuse failure (60 VTS), Auto recloser (79). Relay shall have 8 DI and 8 DO along with AUX relays for transformer protection with 12 Window Announciator with hooter. including provision of necessary panels cutouts and wiring complete all as specified and as directed.

M & L for Taking Down and Shifting the existing Transformer of capacity up to 200 kVA of any description from existing site to another site by Dismantling of HT and LT Cables, Jumpers and Busbars including LT Busbar Cable Boxes and close the Transformers for loading in to Vehicle with the help of Crane, Lifting, Transporting & Handling the Transformer to another site, unloading, Cable Connections both HT and LT, Primary / Secondary / Neutral connections etc., including inspection of Transformer, Checking of all Clamps, Nuts, Bolts including Core Bolts & Cover fixing Bolts, Checking all Brazing, Joints, Tap heads and connection joints, Checking all Jumpers, Terminations / Connections, Testing and Commissioning complete all as specified and as directed.

M & L for Shifting of the existing DG Set of any capacity from existing site to another site by Dismantling all LT Panels and LT Cables, disconnecting all electric connections, loading in to Vehicle with the help of Crane, Lifting, Transporting & Handling the DG Set to another site, unloading, Cable Connections both HT and LT, LT Panels etc., including inspection of DG Set, Checking of all Clamps, Nut, Bolts, Testing and Commissioning complete all as specified and as directed.

Taking down existing 2 Pole Structure complete including Cross Arms, Insulators and all other accessories and breaking concrete foundation, removing debris outside MD Land and making good the surface to match with the existing complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, FRLS, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 3½ Core, 120 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. complete all as specified and as directed. Note: The rate quoted deemed to be inclusive of Cable Jointing Kits required for terminations.

Supplying, laying and testing XLPE insulated and PVC sheathed, FRLS, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 3½ Core, 95 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. complete all as specified and as directed. Note: The rate quoted deemed to be inclusive of Cable Jointing Kits required for terminations.

Supplying, laying and testing XLPE insulated and PVC sheathed, FRLS, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 3½ Core, 50 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. complete all as specified and as directed. Note: The rate quoted deemed to be inclusive of Cable Jointing Kits required for terminations.

Supplying, laying and testing XLPE insulated and PVC sheathed, FRLS, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 4 Core, 16 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. complete all as specified and as directed. Note: The rate quoted deemed to be inclusive of Cable Jointing Kits required for terminations.

Supplying and laying GI pipe, 150mm dia, Light grade for cable protection at road crossing etc. or fixing on wall / poles of any type, secured with clamps complete all as specified and as directed.

M & L for Cutting Bituminous Road / Hardstanding etc. as required for Jointing / Laying Cables and Pipeline of width not exceeding 300mm and depth not exceeding 600mm and refilling after laying and making good with PCC 1:2:4, Type B1 using 20mm graded stone aggregate, 100mm thick complete all as specified and as directed.

Surface excavation not exceeding 30 cm deep and averaging 15 cm deep and getting out in Soft / Loose soil complete all as specified and as directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep and getting out in soft / Loose soil complete all as specified and as directed.

Excavation over areas not exceeding 1.50 m in depth and getting out in Soft / Loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick of excavated soil complete all as specified and as directed. Note: A deduction of 10% shall be made from total computed volume of filling to cater in bulk irrespective of machinery used for ramming.

Removal of excavated material [Soil] to a distance exceeding 250m and not exceeding 500 m and depositing where directed at a level not exceeding 1.5 m complete all as specified and as directed.

Demolition of Brick / Stone Masonry built in Cement Mortar including all quoins arches pillars etc and removing rubbish to a distance not exceeding 1.50 KM complete all as specified and as directed.

Dismantling of AC Sheets [Corrugated or Semi Corrugated etc] as in roof covering including ridges, hips, valleys and flashings complete all as specified and as directed.

Dismantling of Mild Steel or Wrought Iron Work of any description not otherwise provided for complete all as specified and as directed.

S & F Reinforcement using High Strength Corrosion Resistant Deformed TMT Bars of Grade Fe–500D of 10mm dia and over, cut to length, bent to shape required including cranking, bending, spirally for hooping, hooking ends and binding with annealed mild steel wire not less than 0.9mm dia or securing with clips or welded complete all as specified and as directed.

S & F Reinforcement using High Strength Corrosion Resistant Deformed TMT Bars of Grade Fe–500D of 5mm to 10mm dia bars as in stirrups, spacers and binders, cut to length, bent to shape required including cranking, bending, spirally for hooping, hooking ends and binding with annealed mild steel wire not less than 0.9mm dia or securing with clips or welded complete all as specified and as directed.

M & L for PCC 1:4:8, Type D-2, using 40mm graded stone aggregate as in Foundation, Fillings, Mass concrete, Footings etc complete all as specified and as directed.

M & L for Hardcore of gauge not exceeding 63mm of broken stones or boulders, deposited, spread and levelled in layers not exceeding 15 cm thick watered and rolled with power road roller of 8 to 12 ton capacity and consolidated to required gradient and camber complete all as specified.

M & L for Hand packing Broken Stone or Boulders [any thickness] at back of walls over arches etc. and raising [or lowering] to the required level complete all as specified and directed.

M & L for brick work with Fly Ash bricks, straight or curved on plan exceeding 6 m mean radius built in Cement Mortar 1:6 complete all as specified and as directed.

M & L for rendering to brick / concrete surfaces, 10 mm thick in Cement Mortar 1:6, surfaces finished even and smooth without using extra cement complete all as specified and as directed.

M & L for rendering to brick / concrete surfaces, 10 mm thick in Cement Mortar 1:3, surfaces finished even and smooth without using extra cement complete all as specified and as directed.

M & L for rendering to stone masonry surfaces or surfaces other than fair faces of brick surfaces or on one side of lathing, 15mm thick in Cement Mortar 1:4, surfaces finished even and smooth without using extra cement complete all as specified and as directed.

M & L for preparing newly plastered wall surfaces and applying three coats of white washing complete all as specified and as directed.

M & L for preparation of newly plastered wall surfaces and applying two coats of Cement Based paint over a coat of Alkali Resistant Primer complete all as specified and as directed.

S & F Rolled Mild Steel work conforming to Fe 410-W, Grade-E- 250, Quality-A as in Framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc complete, drilled for fixing of steel sheeting or other covering, Doors etc to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings [exclusive of steel sheeting or other covering, running rails and guides] and hanging, also fastening and fixing complete all as specified and as directed.

S & F Mild Steel work conforming to Fe-290, Grade E-165 as in Hand Rails, half round or other stock section or core for wooden hand-rail straight portion, drilled and countersunk for Balusters Running Bars, for Doors, Balusters, Nosing to Steps including embedding in concrete and screwing etc., Wind Ties for roof including securing bolts, Posts and Struts in Fencing including cutting tops to shape as directed, bending to shape, notching for wire, drilling holes or as in flat iron fillets [for securing wire mesh and barbed wire etc.] including all necessary drilling, bolting or riveting, etc. and similar work complete all as specified and directed.

S & F MS machine made screw bolts with hexagonal or square head one end and screwed other or screwed both ends, fitted with washers and one hexagonal or square nut exceeding 5 cm long and not exceeding 10 cm long, dia of neck exceeding 11 mm but not exceeding 15 mm complete all as specified and as directed.

S & F 4 mm dia Chain link MS galvanised fencing of size 100mmx100mm including line wires, any type of standards, rails, straining bolts, etc. including provision of binding wire complete all as specified and as directed.

M & L for two coats of Synthetic Enamel paint over one coat of Red Oxide / Zinc Chrome Primer on new steel surfaces over 10cm width or girth including preparation of surfaces complete all as specified and as directed.

M & L for PCC 1:3:6, Type C-2, using 40mm graded stone aggregate as in Foundation, Fillings, Mass concrete, Footings etc complete all as specified and as directed.

M & L for Plain / Reinforced cement concrete Type C1 [Nominal Mix] 1:3:6 using 20mm graded stone aggregate cast in situ in lintels up to 1.5m span, Cills, steps, seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings up to 60 cm in height, copings, kneelers, apex stones, bed plates including weathering, slightly rounded or chamfered angles and throating as directed including use and waste of form work, complete all as specified and as directed.

M & L for PCC 1:2:4, Type B-0 [using 10 mm graded granite stone aggregate] in surface channels and drains including forming fair finished drain or channel of any inner girth using extra cement including forms, moulds, mitred / stooped ends complete all as specified and as directed.

M & L for RCC 1:2:4, Type B-1, using 20mm graded stone aggregate as in Foundations including Pile Caps, Rafts, Footings, Foundation Beams, Plinth Beams, Bases for Columns, Fillings, Mass Concrete, etc. complete all as specified and as directed.

M & L for Use and Removal of Steel Formwork to sides of Concrete Foundations, Pile Caps, Footings, Bases of Columns, Raft and Raft Beams, sides and soffits [if any] of Foundation and Plinth Beams and similar work, Vertical or to Batter for rough finished surfaces complete all as specified and as directed.

M & L for Moorum / Red Bajri filling under Floors or in Pavings laid in layers not exceeding 15 cm thick, spread levelled and rammed / rolled with power road roller of 8 to 12 ton capacity including watering to and consolidated to required level, gradient and camber required complete all as specified and as directed. Note: Measurements shall be taken after consolidation of earth and 10% deduction shall be made for payments.

Supply & Installation of Modular Cable Sealing System made of Super Resistant Roxylon – Halogen free EPDM Modules, consisting of Transit Frames, Flexible Multi-layered Insert Blocks [i.e. Peelable / Adjustable] and accessories, installed suitably for Wall Entry in Substation areas along with necessary Civil Works complete all as specified and as directed and as per the following specifications: Make: Roxtec / Hawke / Agro. Fame Size: 774 X 410mm – 1 No and 644 X 410mm – 1 No of Depth of 60mm. Frame Material: 6mm thickness Mild Steel Hot Dip Galvanized Frame with 80 Microns. Sealant Material: EPDM Modules Wall Entry: Cable Diameter 76mm to 90 mm – 15 Nos + 3 Nos Spare Note: Wall Opening / Cutout 1000mm [L] X 1000mm [H], Frame shall be fixed in the wall before laying the cable and sealing shall be completed without disturbing the cables. Multi Function Meter, Digital Type [Displaying A, V, PF, Hz, KVA, KW, KVAR, KWH, KVARH etc. Class 0.5 with RS 485 Port [MODBUS PROTOCOL] Make: L&T, Conserve, Schneider.

S & F of Multi Function Meter, Digital Type suitable for existing 11 KV VCB Panels [Displaying A, V, PF, Hz, KVA, KW, KVAR, KWH, KVARH etc. Class 0.5 with RS 485 Port [MODBUS PROTOCOL] complete all as specified and as directed.

Power engineering Associates

M/S N.K BUILDERS

MURALI KRISHNA ASSOCIATES

surendra infrastructure pvt ltd

B DURGA REDDY INFRASTRUCTURES PRIVATE LIMITED